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check valve
1) ductile iron GGG500/7
2) fusion bonded epoxy coating
3)standard: AWWA, DIN
1. Material:
1) valve body and bonnet: ductile iron ASTM-A-536,GGG500-7
2) DIS: grey iron/bronze,grey iron
Check valve
2.Features:
1) The check valves supplied are mainly used for preventing the water
and steam medium from flowing backward
2) Material:
a) Valve body and bonnet: ductile iron ASTM-A-536, GGG500-7
b) Disc: grey iron/ bronze, grey iron or grey iron/ rubber
3) Size: 50 - 400mm/ 2" - 16"
4) Pressure grade
a) 250 PSI
b) PN10
c) PN16
5) Coating
a) Fusion-bonded epoxy 200-250 microns inside and outside .
b) Coating as per customers' requirement
3. sample for free, but you should pay for the freight charge for the samples
4.payment term
a)30% TT upon placing order and 70% TT when the goods are finished but before shipment or the payment can be 50% upon placing order,and balance 50%upon Copy B/L,.
b) L/C or D/P
5. Detail Speicifications
|
Size |
DN40 - DN1400 |
|
Design Standard |
API 609 |
|
End flange |
EN1092 ,ANSI 125/150# ,DIN2501 |
|
Face to face |
EN 558-1, BS5155 , ISO 5752 |
|
Top flange |
ISO 5211 |
|
|
|
|
Body |
Ductile iron,Stainless steel,WCB |
|
Disc |
Ductile iron,CF8,CF8M,C95400,C95500 |
|
Stem |
SS416,SS420,SS431,SS316 |
|
Seat |
NBR,EPDM |
|
Suitale medium |
Sewage, Sea water, Air, Foodstuff and Oil |
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